... 4)smaill size, light weight 5) range 0-10000mm FD350 DAC, AVG curves Digital portable Ultrasonic Flaw Detector calibration ... make video of test process and play·AWS D1.1,DAC/TCG, JIS DAC/TCG,AVG,DGS, A ... sGain adjustment(0-110) dB, Step:0.2, 0.5, 1.0, 2.0, 6.0, 12.0, user definable ... and lockedVertical linear error≤3%Horizontal linear error≤0.1%Dynamic range≥40dBSensitivity surplus≥60dB (200mm depth ,2 ...